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Finding the Fourth Proportional to 624,346.78, 936,414.63 and 174,964.30

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Solution

The fourth proportional to 624,346.78, 936,414.63 and 174,964.30 is: 262,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,346.78 : 936,414.63 = 174,964.30 : x
  2. Step 2: Convert to fraction form
    624,346.78/936,414.63 = 174,964.30/x
  3. Step 3: Cross multiply
    624,346.78x = 936,414.63 × 174,964.30
  4. Step 4: Simplify right side
    624,346.78x = 163,839,130,247.71
  5. Step 5: Solve for x
    x = 163,839,130,247.71/624,346.78
  6. Step 6: Final answer
    x = 262,416.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.